Fix #5632: HyperparameterTuner drops content_type when converting Inp...#5703

JiwaniZakir wants to merge 1 commit intoaws:masteraws/sagemaker-python-sdk:masterfrom

JiwaniZakir:fix/5632-hyperparametertuner-drops-content-type-wJiwaniZakir/sagemaker-python-sdk:fix/5632-hyperparametertuner-drops-content-type-wCopy head branch name to clipboard